Networking/Computing Tips/Tricks

Networking and Computing Tips and Tricks

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Welcome to some great networking and computing tips.

Usually these have to do with how to do this or how to change that. The subjects are fairly broad when it comes to networking and we encourage both your feedback and contributions by adding comments and extending any of the tips. If there is something you need help on or something you would like to see added here, just drop us a line from the "Contact Us" link and we will be glad to try and help.

Be careful, not all tips work on all networking equipment nor operating systems. Also be sure to add your comments as well as read comments and questions from other readers.

You can click on the column titles to sort on the column information (for instance click on Hits to sort the articles in ascending frequency, click it again to sort in descending frequency). You can also select tags in the tag cloud to quickly list all articles on that particular subject.

Display #

Title	Published Date	Hits
Find and Display All Your Wi-Fi Passwords in Windows	07 July 2022	Hits: 334
Troubleshooting Your Network Using Port Mirroring and Packet Capture	08 June 2022	Hits: 431
Troubleshooting The Internet Using Ping (a.k.a. ICMP)	27 May 2022	Hits: 437
BGP Autonomous System (AS) Numbers	17 May 2022	Hits: 449
Leveraging the Linux Logger	26 April 2022	Hits: 338
Linux Security Focused Commands We All Need to Use	22 April 2022	Hits: 412
IPv6 Extension Header PCAP Repository	10 April 2022	Hits: 365
Viewing Users/System Users on Linux	06 April 2022	Hits: 280
Using the useradd Command to Create User Accounts in Linux	06 April 2022	Hits: 337
Important Updates to Wireshark for Voice and VoIP	24 November 2021	Hits: 1188
Wireshark 3.5 Development Release adds significant voice upgrades	20 September 2021	Hits: 520
Redaction Technique in Wireshark	17 May 2021	Hits: 993
Monitor Mode in Windows At Last	21 April 2021	Hits: 1053
What does the BGP Next-Hop-Self Command Actually do?	08 April 2021	Hits: 848
Cool Bandwidth Monitoring in Linux	29 March 2021	Hits: 898
Modifying the Wireshark Window Title	28 February 2021	Hits: 1419
Seven Awesome Linux Terminal Utilities for Everyone	17 February 2021	Hits: 1482
IPv4 Subnetting Illustrated	24 December 2020	Hits: 1535
Adding Packet Comments in Wireshark	27 November 2020	Hits: 1057
Packet Diagram feature in Wireshark	05 November 2020	Hits: 2498
Nested Display Filter Buttons feature in Wireshark	05 November 2020	Hits: 990
Getting started with iPerf - an illustrated step by step procedure	13 October 2020	Hits: 2556
Networking Utilities and Tools	05 October 2020	Hits: 2086
How to Decrypt HTTPS on Windows in Wireshark	19 July 2020	Hits: 10739
Anonymizing Capture Files and More with Tracewrangler	01 July 2020	Hits: 1259
Packet Capture in Windows using pktmon.exe	22 May 2020	Hits: 4194
Capturing Wi-Fi WLAN Packets in Wireshark on MAC OSx	06 January 2020	Hits: 13433
Windows 10 WLAN/Wi-Fi Commands of Interest	02 January 2020	Hits: 7997
Viewing the WLAN/Wi-Fi details via the WLAN Report in Windows 10	02 January 2020	Hits: 2245
What is the % signal in Windows Wireless?	02 January 2020	Hits: 2774
What are all the Microsoft local area connections?	24 December 2019	Hits: 1412
Finding Text Strings in Wireshark Captures	26 September 2019	Hits: 40736
Example IPv6 Fragmentation Attack	06 August 2019	Hits: 3458
Example IPv6 SYN Flood Attack	05 August 2019	Hits: 3653
Tweaking the Wireless Interface - Power Settings, Country etc. in Linux	28 June 2019	Hits: 2130
A Terminal Version of T-Shark - we love it!	25 April 2019	Hits: 4234
How To Observe if the Web Site you are Browsing Uses QUIC	12 March 2019	Hits: 6587
3 Ways to put your Wi-Fi Interface in Monitor Mode in Linux	18 February 2019	Hits: 124802
Getting a Virtual Machine to Access Wi-Fi Monitor Mode	18 February 2019	Hits: 34729
IPv4/IPv6 Path MTU (PMTU) Discovery Demystified	30 November 2018	Hits: 9908
Creating Delay to a Subnet Tech Tip	14 November 2018	Hits: 1562
GNS3 in Linux - Tech Tip - Docker Error	06 November 2018	Hits: 5201
The Linux 'ip' Command in Networking	26 October 2018	Hits: 2473
Detecting ECMP in Linux using Paris and Dublin Traceroute	24 October 2018	Hits: 4485
Linux Starting Point - Commands You Need To Know	16 October 2018	Hits: 2098
What is the 'cat' command, and how can I use it?	11 October 2018	Hits: 84793
IPv6 Settings (SYSCTL) on Linux	11 October 2018	Hits: 6587
How to use Wireshark to capture between VirtualBox VM's	29 August 2018	Hits: 23477
Zenmap - the nmap GUI	07 August 2018	Hits: 2896
Advanced nmap - the nmap Scripting Engine (NSE)	07 August 2018	Hits: 3407
Wi-Fi Network Monitoring & Manipulation in Parrot Linux	06 August 2018	Hits: 9385
GeoIP Add In for Wireshark 2.6 and Later	19 June 2018	Hits: 6076
Capturing Wi-Fi WLAN Packets in Wireshark on Linux	18 June 2018	Hits: 40481
How much QUIC Traffic is there?	25 May 2018	Hits: 2834
My Traceroute in Linux	15 May 2018	Hits: 3068
Testing/Baselining DNS Server Performance	03 May 2018	Hits: 2514
Using Ansible for Network Automation	26 March 2018	Hits: 6719
Is there a lot of QUIC in your Packet Captures?	08 March 2018	Hits: 12788
Using Wireshark to Analyze QUIC Traffic	08 March 2018	Hits: 26961
T-Shark Use in Wireless Networking	07 March 2018	Hits: 2746
Perhaps a top 15 Wireshark Capture Filter List	28 February 2018	Hits: 17657
What is the 'area range' command in OSPF?	24 January 2018	Hits: 8363
What is the “network” Command in OSPF and BGP?	22 January 2018	Hits: 20580
Wi-Fi Scanning Tools List	30 November 2017	Hits: 4883
Capturing Wi-Fi WLAN Packets on Windows for Free!	29 November 2017	Hits: 55938
Deleting Remembered Wi-Fi Networks in Windows, MAC OSx, and Linux (Debian)	25 November 2017	Hits: 3695
Real-life Wireless Wireshark Troubleshooting Example	06 November 2017	Hits: 4901
Linux Networking Commands	03 October 2017	Hits: 4517
The DNS System In Depth	19 July 2017	Hits: 9406
Leveraging SSL and TLS Decryption in Wireshark	15 July 2017	Hits: 17505
TLS Decryption in Wireshark Using Key Log Files in Windows, MAC, and Linux	15 July 2017	Hits: 918
Wireshark Display Filter Macros	24 June 2017	Hits: 7500
Finding HTTPS Sessions in Wireshark Captures	22 June 2017	Hits: 8024
How do I find all packets from Apple devices in Wireshark?	21 June 2017	Hits: 11830
The TRANSUM tool is now in Wireshark 2.4!	18 June 2017	Hits: 4774
Wireless Report in Wireshark 2.x	18 June 2017	Hits: 2151
Using Netsh to Capture Packets in Windows	11 January 2017	Hits: 12923
A List of Network Monitoring Tools for Network and System Administrators	11 January 2017	Hits: 48037
Using the mergecap Tool to Merge Packet Captures	11 December 2016	Hits: 18310
Wireshark Ring Buffer Capture from the Command Line using T-Shark	09 December 2016	Hits: 13011
A Quick Start for your Favorite Windows Apps	27 November 2016	Hits: 3053
Carving and Parsing Packet Captures	01 August 2016	Hits: 7430
A Minimized Dissector Configuration Profile for Wireshark	18 July 2016	Hits: 4575
Getting Started with Linux - A Beginners Linux Mini-Course	28 May 2016	Hits: 6902
Using MAC OSX Preview to save PDF's in Different Sizes	08 April 2016	Hits: 3415
The Purpose of the IP ID Field Demystified	28 March 2016	Hits: 63060
Free Windows Virtual Machines from Microsoft	08 August 2015	Hits: 4605
Setting up Custom Wireshark Name Resolution Files	07 March 2015	Hits: 11356
Controlling Displayed Network Interfaces in Wireshark	07 March 2015	Hits: 1188
Basic MPLS LDP Profile for Wireshark	10 January 2015	Hits: 6186
Learning the Network Science Fundamentals	27 December 2014	Hits: 4868
OpenFlow Overview	29 October 2014	Hits: 7617
A Wireshark Wi-Fi WLAN Configuration Profile	07 September 2014	Hits: 16187
How To Use 'dumpcap' Natively on your Computer	02 September 2014	Hits: 17523
A Wireshark IPv6 Configuration Profile	31 August 2014	Hits: 8507
A Wireshark Basic BGP Configuration Profile	31 August 2014	Hits: 9000
A Wireshark TCP Troubleshooting Configuration Profile	31 August 2014	Hits: 10592
A Wireshark IPv4 Configuration Profile	31 August 2014	Hits: 3455
A Wireshark DNS Configuration Profile	31 August 2014	Hits: 2931
A Wireshark ARP Configuration Profile	31 August 2014	Hits: 4041
The Basics of 'netcat'	24 July 2014	Hits: 7579
GodMode in Windows	21 July 2014	Hits: 5639
Deeper Scanning with nmap	20 July 2014	Hits: 21113
Even Deeper Scanning with nmap	20 July 2014	Hits: 829
Getting Started with nmap	20 July 2014	Hits: 9543
A Little nmap Cheat Sheet	20 July 2014	Hits: 728
T-Shark Usage Examples	12 May 2014	Hits: 70465
Using T-Shark for Packet Voice	12 May 2014	Hits: 12385
Coloring Rules in Wireshark	13 March 2014	Hits: 10717
Removing Checksum Calculations in Wireshark	13 March 2014	Hits: 7280
Using Wireshark Temporary Colors to easily see a Conversation	28 January 2014	Hits: 11577
IPv6 Windows Command Line Examples	12 September 2013	Hits: 64007
Basic Wireshark Layer 3 Name Resolution	12 September 2013	Hits: 9336
Wireshark Display Filter Cheat Sheet	12 September 2013	Hits: 14208
Using Wireshark to Capture on Remote Servers or Systems	12 September 2013	Hits: 23079
Upgrade Your Router/Gateway - Even If The Manufacturer Won't	12 September 2013	Hits: 4479
The Netsh Shell/Scripting Tool in Windows	12 September 2013	Hits: 10741
The CellStream TCPDUMP Cheat Sheet now available	12 September 2013	Hits: 7603
The CellStream ICMP Cheat Sheet	12 September 2013	Hits: 106
The CellStream IPv4 Cheat Sheet	12 September 2013	Hits: 109
The CellStream IPv6 Cheat Sheet	12 September 2013	Hits: 94
The CellStream IPv6 OS Command Cheat Sheet	12 September 2013	Hits: 92
The CellStream Vi/VIM Cheat Sheet	12 September 2013	Hits: 98
Teach Others How to Use Their Computer	12 September 2013	Hits: 3841
Setting Up an IPv6 Teredo Tunnel in Windows 7	12 September 2013	Hits: 15470
Setting up an IPv6 ISATAP Tunnel in Windows 7	12 September 2013	Hits: 11493
Setting up A Web Server in Ubuntu Server 10.x and greater	12 September 2013	Hits: 5164
Setting up a SSH Server in Ubuntu Server 10.x and above	12 September 2013	Hits: 4636
Setting up a 6in4 Tunnel in Windows 7	12 September 2013	Hits: 17658
Perhaps a top 10 Wireshark Display Filter List	12 September 2013	Hits: 12169
Links to Ubuntu IPv6 How To's	12 September 2013	Hits: 6134
Keeping your Windows PC Software Up to Date	12 September 2013	Hits: 11923
IPv6 Linux Command Line Examples	12 September 2013	Hits: 18716
IPv6 MAC OSx Command Line Examples	12 September 2013	Hits: 19401
Installing the Desktop for Ubuntu Server	12 September 2013	Hits: 5199
Fixing the Ubuntu 11.x User Interface	12 September 2013	Hits: 11860
Five Simple Steps to GNS3 Setup	12 September 2013	Hits: 14402
Experimenting with ICMPv6	12 September 2013	Hits: 8683
Experimenting with DHCPv6	12 September 2013	Hits: 12597
Enabling IPv6 on a Computer	12 September 2013	Hits: 11362
Using T-Shark	11 September 2013	Hits: 14508
Create ACL and Firewall Rules with Wireshark	11 September 2013	Hits: 12371
A Map of the Submarine Cable System	11 September 2013	Hits: 9555
World IPv6 Day on June 8, 2011	11 March 2011	Hits: 6363
The Ultimate Earth Status Screen	04 March 2011	Hits: 4873
Locate an IP Address on a World Map	04 March 2011	Hits: 11055
What Broadband services are offered in my area?	01 March 2011	Hits: 4583
Setting a new or Static IP in ESX VM Server	14 February 2011	Hits: 4492
Access Multiple Computers on a LAN or VM via Remote Desktop Connection	07 February 2011	Hits: 18164
Router and Switch Net Admin Tools - a basic list	05 February 2011	Hits: 8803
Windows 7 Keyboard Shortcuts	03 January 2011	Hits: 5736
Ethernet Cabling Fundamentals	29 December 2010	Hits: 6148
Shutting down a computer that appears unresponsive	22 December 2010	Hits: 3919
Identify Your Computers Components in Detail	12 December 2010	Hits: 6297
Dive Deep into Task Management for Windows	12 December 2010	Hits: 6853
Using Social Media for ROI	23 November 2010	Hits: 10358
Blocking Certain Sites Using Your Home Router	10 November 2010	Hits: 8707
Clean Up the Startup Folder with Autoruns Tool	25 October 2010	Hits: 4555
A Great Toolkit for Presenters - Zoomit!	25 October 2010	Hits: 254738
A better view of Processes and Internal Operations	25 October 2010	Hits: 6237
Sharing your desktop and allowing a user to control your PC	15 October 2010	Hits: 4293
Securing a Home or Small Business Network	06 October 2010	Hits: 6481
An IPsec VPN Lab Exercise	29 September 2010	Hits: 8648
Parenting the Internet	17 September 2010	Hits: 8507
What is the 'netstat' command, and what can it do?	10 September 2010	Hits: 37189
What is the 'arp' command, and how can I use it?	10 September 2010	Hits: 365247
Using a Dynamic DNS Service Instead of a Public IP	03 September 2010	Hits: 6226
Some Basic Troubleshooting Tips for the PC/Networking	03 September 2010	Hits: 11671
Determining What is Connected to a Customer LAN or WLAN	03 September 2010	Hits: 5121
Blocking Offensive Web Content	25 August 2010	Hits: 10026
How can I save Disk Space?	30 July 2010	Hits: 5494
Disabling IPv6 and IPv6 Tunnel Communications	12 August 2009	Hits: 46580
What maintenance should I run on my computer, if any?	09 November 2006	Hits: 5320
Removing unused Device Drivers	09 November 2006	Hits: 8084
Faster Booting by cleaning out Windows Pre-Fetch Folder	09 November 2006	Hits: 5160
The Ultimate Linux Command Line Cheat Sheet	11 January 2005	Hits: 10682
Cisco Router Tech Tips and "How To's"	11 November 2004	Hits: 4963
Apply Master to ALL Notes Pages in MS PowerPoint	11 April 2000	Hits: 19783

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